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Post Silicon Validation Engineer Interview Questions

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Post Silicon Validation Engineer at Intel Corporation was asked...

Jan 7, 2013
 Difference between while and do-while loops.1 AnswerLoop condition is checked before entering the loop in case of "while".If it does not get satisfied, control will never go in the loop. Loop condition is checked at the end of each iteration through the loop in case of "do while".Even if the condition is invalid from start, control will still make the first iteration through the loop.

Post Silicon Validation Engineer at Intel Corporation was asked...

Jan 7, 2013
 What is the 3rd harmonic?1 Answer3 times the frequency of the fundamental wave. E.g. 3rd harmonic of 800nm wavelength will be 266.7nm.

Post Silicon Validation Engineer at Intel Corporation was asked...

Jan 7, 2013
 Convert a decimal number into binary form.1 AnswerIf you are not very familiar with the powers of 2, you can write them down, from left to right, before starting the process. eg. 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1 Find the largest power of 2 that is less than the decimal number, then: 1 - write a '1' for that power-of-2's column 2 - subtract that power-of-2 from the number and keep the remainder 3 - check next lower power-of-2 to see if it is less than the remainder 4 - if no write a '0' for that power-of-2's place and goto step 3 5 - if yes, goto step 1 Example: Starting with the decimal number 209, the largest power-of-2 that is less than 209 is 128. We write a '1' and subtract 128 from 209 leaving 81. The next smaller power-of-2 is 64. 64 is less than 81 so we write a '1', subtract 64 from 81 leaving a remainder of 17. We then check 32 and write a '0', check 16 and write a '1', leaving a remainder of 1. Next is 8, then 4, then 2, taking a '0' for each leaving a '1' for 1. Putting all this together yields a solution of '11010001' binary, which is 0xD1 (hex) and 209 decimal. I hope this helps.

Post Silicon Validation Engineer at Intel Corporation was asked...

Oct 28, 2012
 draw the soc for one of the project i did 1 Answerthe interviewer made me draw it by myself finally !!

Post Silicon Validation Engineer at Intel Corporation was asked...

Jan 7, 2013
 Find the frequency of the wave that was displayed at the O-Scope1 AnswerLook at the sweep time on the scope and determine what fraction of a second represents one full cycle of the displayed wave. 1 over the time measurement is the frequency in cycles per second.

Post Silicon Validation Engineer at Intel Corporation was asked...

Aug 30, 2012
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